Psychology & Psychiatry

Safe sex or risky romance? Young adults make the rational choice

Astudy published in the journal Psychological Science found that young adults—contrary to how they are sometimes portrayed in the media—tend to make highly rational decisions when it comes to selecting potential romantic ...

Diseases, Conditions, Syndromes

Minimal SARS-CoV-2 diversity suggests a global vaccine is feasible

Genetic analysis of sequences from more than 27,000 individuals infected with the coronavirus that causes COVID-19 reveals that the virus has mutated minimally since December 2019, suggesting one vaccine would be sufficient ...

Diseases, Conditions, Syndromes

We are mutating SARS-CoV-2, but it is evolving back

Scientists investigating the evolution of the virus that causes COVID-19 say that its mutation seems to be directed by human proteins that degrade it, but natural selection of the virus enables it to bounce back. The findings ...

Neuroscience

Nervous system discovery overturns previous theory

It appears that when the nervous system is developing, only the most viable neurons survive, while immature neurons are weeded out and die. This is shown in a groundbreaking discovery by researchers at Karolinska Institutet ...

Neuroscience

Memories of movement are replayed randomly during sleep

Sleep is far from an inactive time for the brain: while rats (and humans) are asleep, neurons in the hippocampus fire rapidly. After a rat has repeatedly moved from one spot to another, the same neurons that fired while the ...

Neuroscience

Brain activity map reveals how infant vision develops

Visual functions, such as the perception of motion direction, start to develop soon after birth and continue to mature over time as infants gain more experience with the world. However, direct evidence of how this maturation ...

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